The "Rock" being the asteroid-hulled lab ship of the NPC anthropologist that's central to the adventure. IIRC, the idea was to be just another tumbling bit of belt debris while monitoring Zhodani mainworlds from afar.

On Sun, Sep 22, 2019 at 10:04 PM Phil Pugliese (via tml list) <xxxxxx@simplelists.com> wrote:

Ooops! Once again, there goes 'canon'! ;-)

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On Sunday, September 22, 2019, 06:30:56 AM MST, David Jaques-Watson <xxxxxx@pcug.org.au> wrote:

Dear Folks –
Ethan, my question is: “What is Pebble (from Expedition to Zhodane)?”
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David "Hyphen" Jaques-Watson ..at.. Beowulf Down (Tavonni/Vilis/SM 1520)
http://www.tip.net.au/~davidjw xxxxxx@pcug.org.au

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